Clinical television research instrumentation.
D015502:Absorptiometry, Photon; D002986:Clinical Trials as Topic; D003731:Dental Caries / Q000175:diagnosis; D006801:Humans; D008852:Microradiography; D008853:Microscopy; D009059:Mouth Diseases / Q000175:diagnosis*; D012106:Research; D013690:Television